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52287899244240 = 243511131230965479
BaseRepresentation
bin10111110001110001110011…
…01010010001011011010000
320212010200012121020001120210
423320320321222101123100
523323141104201303430
6303112421310204120
714004450613214322
oct1370707152213320
9225120177201523
1052287899244240
111572a19aa87280
125a458b37b3640
13232395cb0492a
14ccaa68071612
1560a1dccc72b0
hex2f8e39a916d0

52287899244240 has 320 divisors, whose sum is σ = 178257890764800. Its totient is φ = 12573452236800.

The previous prime is 52287899244227. The next prime is 52287899244247. The reversal of 52287899244240 is 4244299878225.

52287899244240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52287899244247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 798511821 + ... + 798577299.

It is an arithmetic number, because the mean of its divisors is an integer number (557055908640).

Almost surely, 252287899244240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52287899244240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89128945382400).

52287899244240 is an abundant number, since it is smaller than the sum of its proper divisors (125969991520560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52287899244240 is a wasteful number, since it uses less digits than its factorization.

52287899244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67946 (or 67940 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 52287899244240 in words is "fifty-two trillion, two hundred eighty-seven billion, eight hundred ninety-nine million, two hundred forty-four thousand, two hundred forty".